[vtkusers] QVTKWidget: How to free memory

[Ang]

Hi all,

I create a widget named "TestVTKWidget " and the widget takes almost 10MB of
memory usage.

I try to free some by setting attribute to "Qt::WA_DeleteOnClose" but it
does not work. Any suggestion?

here is how I do.


//======TestVTKWidget .h=====//
class TestVTKWidget : public QWidget
{
	Q_OBJECT

public:
	TestVTKWidget(QWidget *parent = 0);
	~TestVTKWidget();

private:
	Ui::TestVTKWidget ui;
};
//======TestVTKWidget .h=====//


//======TestVTKWidget .cpp=====//
TestVTKWidget::TestVTKWidget(QWidget *parent)
	: QWidget(parent)
{
	ui.setupUi(this);

	setAttribute(Qt::WA_DeleteOnClose);


}

TestVTKWidget::~TestVTKWidget()
{



}
//======TestVTKWidget .cpp=====//

//==========mian.cpp======//
#include "TestVTKWidget.h"
int main(int argc, char *argv[])
{
	TestVTKWidget *test = new TestVTKWidget();
	test->show();

}

//==========mian.cpp======//



thanks all. 
Ang.




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